Chuck ParkIntroduction처음부터 비인간적으로 설계를 완벽하게 하지 않은 이상, 언젠가는 운영 중인 서비스의 DB 테이블 column 이름을 바꾸거나 지워야 하는 경우가 생깁니다. 예전에는 ‘서버 점검 시간 입니다’ 같은 공지를 몇 시간 정도 띄우고 그 시간에 수정 했다고…Apr 25, 2020Apr 25, 2020
Chuck Parkfinal vs static final in javaFor final, it can be assigned different values at runtime when initialized. For exampleAug 19, 20172Aug 19, 20172
Chuck Park[Data Structure]I found a new page in the Samsung Codeground site about Algoritums and Data Structure. So I am going to implement them.Jun 27, 2017Jun 27, 2017
Chuck Park[Github] Does `git push` expand to `git push origin master`?This is the Master branch. The main tree of your control system.Jun 27, 2017Jun 27, 2017
Chuck Park[Data structure] 2. Insertion SortInsertion sort: Insert a target into the best position which was made so far.Jun 25, 2017Jun 25, 2017
Chuck ParkHow to get array in the functionThere are two ways to express array for the parameter in the function.Jun 24, 2017Jun 24, 2017
Chuck Park[Data structure] 1. Selection SortSelection sort : select the smallest oneJun 22, 2017Jun 22, 2017